public Java.util.scanner 
    public class KilogramToPoundConverter {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.print("请输入千克数：");
        double kilograms = scanner.nextDouble();
        double pounds = kilograms / 0.4535924;
        System.out.println(kilograms + " 千克等于 " + pounds + " 磅");
    }
}
}